. >>> plus, the supplements the government says do not do what the labels claim. stay with us, we'll be r >>> stocking up on vitamin d to fight off colds may be a waste of your time and money. researchers in new zealand studied patients getting high doses of vitamin d. they found no difference in the number of colds. the study published in this month's journal of the american medical association. >>> a report says some supplements may not be what they seem. the health and inspector general says many weight loss in immove boosting supplements make false claims. some claim to cure diabetes and cancer. the report did not name any specific products. >>> we are getting a sneak peak at the "today" show's interview with mark zuckerberg. he told matt lauer he wears the same thing every day. he has 20 identical gray t-shirts. he keeps his shirts in one drawer and his wife rules the closet. you can watch the full interview of zuckerberg tomorrow on the "today" show here on nbc 4. >>> stocks are higher at this hour. let's check in with cnbc. we are joined live with more on t